cmd/devp2p: tweak DNS TTLs (ethereum#20801)

fjl · enriquefynn · commit cb8ef3bb8588 · 2021-02-15T15:28:15.000+01:00
* cmd/devp2p: tweak DNS TTLs

* cmd/devp2p: bump treeNodeTTL to four weeks
diff --git a/cmd/devp2p/dnscmd.go b/cmd/devp2p/dnscmd.go
@@ -97,8 +97,8 @@ var (
 )
 
 const (
-	rootTTL     = 1
-	treeNodeTTL = 2147483647
+	rootTTL     = 30 * 60              // 30 min
+	treeNodeTTL = 4 * 7 * 24 * 60 * 60 // 4 weeks
 )
 
 // dnsSync performs dnsSyncCommand.

Original file line number	Diff line number	Diff line change
`@@ -97,8 +97,8 @@ var (`
`97`	`97`	`)`
`98`	`98`
`99`	`99`	`const (`
`100`		`- rootTTL = 1`
`101`		`- treeNodeTTL = 2147483647`
	`100`	`+ rootTTL = 30 * 60 // 30 min`
	`101`	`+ treeNodeTTL = 4 * 7 * 24 * 60 * 60 // 4 weeks`
`102`	`102`	`)`
`103`	`103`
`104`	`104`	`// dnsSync performs dnsSyncCommand.`